<template>
    <div :style="{background: bgColor}" class="ivu-shrinkable-menu">
        <slot name="top"></slot>
        <sidebar-menu v-show="!shrink" :menu-theme="theme" :menu-list="menuList" :open-names="openNames" @on-change="handleChange"></sidebar-menu>
        <sidebar-menu-shrink v-show="shrink" :menu-theme="theme" :menu-list="menuList" :icon-color="shrinkIconColor" @on-change="handleChange"></sidebar-menu-shrink>
    </div>
</template>
<script>
import sidebarMenu from './sidebarMenu.vue';
import sidebarMenuShrink from './sidebarMenuShrink.vue';
import util from '@/utils/util';
export default {
    name: 'shrinkableMenu',
    components: {
        sidebarMenu,
        sidebarMenuShrink
    },
    props: {
        shrink: {
            type: Boolean,
            default: false
        },
        menuList: {
            type: Array,
            required: true
        },
        theme: {
            type: String,
            default: 'dark',
            validator(val) {
                return util.oneOf(val, ['dark', 'light']);
            }
        },
        beforePush: {
            type: Function
        },
        openNames: {
            type: Array
        }
    },
    computed: {
        bgColor() {
            return this.theme === 'dark' ? '#495060' : '#fff';
        },
        shrinkIconColor() {
            return this.theme === 'dark' ? '#fff' : '#495060';
        }
    },
    methods: {
        handleChange(name) {
            let willpush = true;
            if (this.beforePush !== undefined) {
                if (!this.beforePush(name)) {
                    willpush = false;
                }
            }
            if (willpush) {
                this.$router.push({
                    name: name
                });
            }
            this.$emit('on-change', name);
        }
    }
};

</script>
<style lang="less" scoped>
.ivu-shrinkable-menu {
    height: 100%;
    width: 100%;
}

</style>
